> ## Documentation Index
> Fetch the complete documentation index at: https://cosmo-docs.wundergraph.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Directives

> Documentation for Open Federation Directives.

Open Federation is compatible with Apollo Federation v1 & v2.

<CardGroup cols={2}>
  <Card title="@key" icon="fingerprint" horizontal href="/federation/directives/key" />

  <Card title="@external" icon="arrow-right-from-bracket" horizontal href="/federation/directives/external" />

  <Card title="@provides" icon="hand-holding" horizontal href="/federation/directives/provides" />

  <Card title="@requires" icon="link" horizontal href="/federation/directives/requires" />

  <Card title="@shareable" icon="share-nodes" horizontal href="/federation/directives/shareable" />

  <Card title="@authenticated" icon="lock" horizontal href="/federation/directives/authenticated" />

  <Card title="@requiresScopes" icon="key" horizontal href="/federation/directives/requiresscopes" />

  <Card title="@openfed__subscriptionFilter" icon="filter" horizontal href="/federation/directives/openfed__subscriptionfilter" />

  <Card title="@openfed__configureDescription" icon="pen-to-square" horizontal href="/federation/directives/openfed__configuredescription" />

  <Card title="Federation Directives Index" icon="book" horizontal={false} href="/federation/federation-directives-index" />
</CardGroup>